<Realm className="org.apache.catalina.realm.JDBCRealm"
		            	driverName="com.mysql.jdbc.Driver"
		         		connectionURL="jdbc:mysql://192.168.0.195:3306/shop"
		        		connectionName="java" connectionPassword="java"
		              	userTable="users" userNameCol="user_name" userCredCol="password"
		          		userRoleTable="users_roles" roleNameCol="role_name" />